144461361503 has 4 divisors (see below), whose sum is σ = 150742290288. Its totient is φ = 138180432720.

The previous prime is 144461361487. The next prime is 144461361509. The reversal of 144461361503 is 305163164441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305163164441 = 37 ⋅8247653093.

It is a cyclic number.

It is not a de Polignac number, because 144461361503 - 2⁴ = 144461361487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144461361509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140464358 + ... + 3140464403.

It is an arithmetic number, because the mean of its divisors is an integer number (37685572572).

Almost surely, 2^144461361503 is an apocalyptic number.

144461361503 is a deficient number, since it is larger than the sum of its proper divisors (6280928785).

144461361503 is an equidigital number, since it uses as much as digits as its factorization.

144461361503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280928784.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 144461361503 in words is "one hundred forty-four billion, four hundred sixty-one million, three hundred sixty-one thousand, five hundred three".